.top-img1{
    width:100%;
    height:140px;
    margin-top:-5px;
    margin-right:-10px;
    -moz-background-size:100% 100%;
    background-size:100% 100%;
}

.layui-iframe1 {
    position: absolute;
    height: calc(100% - 180px) !important;
    left: 20px;
    top: 60px;
    width:98%;
    bottom: 0;
    border: none;
}